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Try This 1
In 2008, the GST rate in Canada was reduced from 7% to 5%.
Cost of Item ($) |
Amount Paid Before Tax ($) |
5% GST ($) |
7% GST ($) |
Total Cost with 5% GST ($) |
Total Cost with 7% GST ($) |
Difference in Tax Amount ($) |
1 |
1 |
0.05 |
0.07 |
1.05 |
1.07 |
0.02 |
2 |
2 |
0.10 |
0.14 |
2.10 |
2.14 |
0.04 |
3 |
3 |
0.15 |
0.21 |
3.15 |
3.21 |
0.06 |
4 |
4 |
0.20 |
0.28 |
4.20 |
4.28 |
0.08 |
5 |
5 |
0.25 |
0.35 |
5.25 |
5.35 |
0.10 |
- Explain how the values in each of the columns can be determined.
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- Explain a two-step process that can be used to determine the Total Cost with 5% GST from the cost of the item.
- Explain a one-step process to determine the Total Cost with 5% GST from the cost of the item.
- Explain a one-step process that can be used to determine the Difference in Tax Amount.
- Why might you be interested in using a one-step process instead of a multi-step process for these calculations?
- Open Calculating Tax.
- Select to show only the plots for Amount Paid Before Tax, 5% GST, and Cost with 5% GST.
- Explain how the Cost with 5% GST points can be determined from the Amount Paid Before Tax points and the 5% GST points.
- Select to show only the 5% GST, 7% GST, and Difference in Tax Amount points. Explain how the Difference in Tax Amount points can be determined from the 5% GST points and the 7% GST points.
Save your responses in your course folder.
Share 1
With a partner or group, discuss the following question based on the information from Try This 1:
Suppose f(x) and g(x) represent the amount of tax paid on x dollars of goods purchased. How could you represent the difference in the amount paid for these two tax rates?
If required, save a record of your discussion in your course folder.